Abstract
The free sorting task is an efficient technique for assessing the perception of a set of products by a panel of subjects. This holistic and nonverbal task makes it possible to perform sensory evaluation with consumers and to study differences in subjects’ perception. This chapter describes different variants of sorting tasks, highlighting their advantages and limitations and presents a review of statistical methods of analysis of free sorting data. A case study in the automotive industry illustrates the use of the free sorting task for assessing the consumers’ perceptions of car body style. It shows that the free sorting task is indeed an effective tool to be used in product development.
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